[gudok]

How exactly encrypted DNS will reduce spying? ISPs will still be able to observe IP addresses users connect to and even particular host names in SSL handshakes.

[NicolaiS]

Due to shared hosting you can't map every IP to a hostname, and encrypted SNI is a thing.

[lilsoso]

But the ISP can likely map most of the IPs to hostnames, as one would expect shared hosting to only be used for smaller sites.